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The break-down of the Born-Oppenheimer approximation is an important topic inchemical dynamics on metal surfaces. In this context, the most frequently used"work-horse" is electronic friction theory, commonly relying on frictioncoefficients obtained from density functional theory (DFT) calculations fromthe early 80s based on the atom-in-jellium model. However, results are onlyavailable for a limited set of jellium densities and elements ($Z=1-18$). Inthis work, these calculations are revisited by investigating the correspondingfriction coefficients for the entire periodic table ($Z=1-92$). Furthermore,friction coefficients obtained by including the electron density gradient onthe Generalized Gradient Approximation (GGA) level are presented. Finally, weshow that spin polarization and relativistic effects can have sizeable effectson these friction coefficients for some elements.

Electronic friction coefficients from the atom-in-jellium model for $Z=1-92$